Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

Pea plants can have either yellow or green seeds. Yellow ($Y$) is dominant over green ($y$). Which offspring phenotypes are most likely from a cross between $YY$ and $Yy$ plants?

  • A50% yellow and 50% green
  • B75% yellow and 25% green
  • C100% yellow
  • D100% green

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